public function login()
{
$this->load->library('session');
if ($data = $this->input->post(NULL, TRUE)) {
$captcha = md5($this->session_prestr . $data['captcha'] . $this->session_endstr);
//print_r($data);
//echo $this->input->post('captcha').'<br>'.$captcha.'<br>'.$this->session->userdata('randcode').'<br>';
if ($captcha != $this->session->userdata('randcode')) {
$json = array('status' => 'error', 'msg' => "请填写正确的验证码");
} else {
$user_info = $this->db->where(array('username' => $data['user'], 'password' => md5($data['password'])))->get('admin')->row_array();
if ($user_info) {
$auth_code = $user_info['id'] . "\t" . $user_info['username'] . "\t" . $user_info['gid'];
$auth_code = _sys_auth($auth_code, 'ENCODE', $this->config->item('auth_key'));
$cookie = array('name' => 'wy_admin_auth', 'value' => $auth_code, 'expire' => 0);
//print_r($cookie);exit;
$update = array('lastip' => $this->input->ip_address(), 'lastdate' => date('Y-m-d H:i:s'));
$this->db->where('id', $user_info['id'])->update('admin', $update);
$this->input->set_cookie($cookie);
$json = array('status' => 'success');
} else {
$json = array('status' => 'error', 'msg' => "帐号或密码错误");
}
}
echo json_encode($json);
}
}
/**
* 身份验证
*/
function _check_login()
{
$cookie = $this->input->cookie("wy_admin_auth", true);
if ($cookie) {
list($adminid, $username, $gid) = explode("\t", _sys_auth($cookie, 'DECODE', $this->config->item('auth_key')));
$this->db->from('admin as a')->select('a.*, r.rolename, r.module as perm_module, r.category as perm_category')->where('a.id', $adminid);
$this->db->join('admin_role r', 'r.roleid=a.roleid');
$user_info = $this->db->get()->row_array();
if ($user_info) {
unset($user_info['password']);
unset($user_info['encrypt']);
//print_r($user_info);
$user_info['perm_module'] = unserialize($user_info['perm_module']);
$user_info['perm_category'] = explode(',', $user_info['perm_category']);
$this->data['user_info'] = $user_info;
return true;
}
}
redirect('index/login');
}
